Neumann SA, Waldstein SR: Similar patterns of cardiovascular response during emotional activation as a function of affective valence and arousal and gender.Journal of Psychosomatic Research. 2001,50:245–243.PubMedCrossRefGoogle Scholar

Watson D, Clark LA, Tellegen A: Development and validation of brief measures of positive and negative affect: The PANAS scales.Journal of Personality and Social Psychology. 1988,54:1063–1070.PubMedCrossRefGoogle Scholar